@book{HaSt12,
	address = {Heidelberg, Germany},
	author = {Hadjiantonis, Antonis M. and Stiller, Burkhard},
	month = {feb},
	publisher = {Springer, ISBN 978-3-642-30381-4},
	title = {Telecommunication Economics},
	url = {http://www.springer.com/computer/swe/book/978-3-642-30381-4},
	year = {2012}
}